lass::util::CallbackR0< R > Class Template Reference

callback with 0 parameters but with returnvalue. More...

#include <callback_r_0.h>

Public Member Functions
	CallbackR0 ()
	Default constructor, construct empty callback.
template<typename Function>
	CallbackR0 (Function iFunction)
	Construct function callback.
template<typename ObjectPtr, typename Method>
	CallbackR0 (ObjectPtr iObject, Method iMethod)
	Construct object/method callback.
	CallbackR0 (const TSelf &iOther)
	copy constructor
	CallbackR0 (TSelf &&iOther) noexcept
	move constructor
TSelf &	operator= (const TSelf &iOther)
	assignment operator
TSelf &	operator= (TSelf &&iOther) noexcept
	move assignment operator
R	operator() () const
	THE operator.
void	reset ()
	Reset to empty callback.
bool	isEmpty () const
	Returns true if no callback dispatcher is assigned to this object.
bool	operator! () const
	return this->isEmpty()
	operator bool () const
	return !this->isEmpty())
void	swap (TSelf &iOther)
	Swaps the dispatcher of this callback with the dispatcher of another.
bool	operator== (const TSelf &iOther) const
	return true if two callbacks call the same function/method, NEEDS RTTI!

Related Symbols
(Note that these are not member symbols.)
template<typename R>
bool	operator!= (const CallbackR0< R > &iA, const CallbackR0< R > &iB)
	return true if two callbacks are different
template<typename R>
CallbackR0< R >	makeCallback (R(*iFunction)())
	make a CallbackR0 from a function
template<typename R>
const CallbackR0< R > &	makeCallback (const CallbackR0< R > &iCallback)
	make a CallbackR0 from a callback
template<typename ObjectPtr, typename Object, typename R>
CallbackR0< R >	makeCallback (ObjectPtr iObject, R(Object::*iMethod)())
	make a CallbackR0 from a object and method
template<typename ObjectPtr, typename Object, typename R>
CallbackR0< R >	makeCallback (ObjectPtr iObject, R(Object::*iMethod)() const)
	make a CallbackR0 from a object and const method

Detailed Description

template<typename R>
class lass::util::CallbackR0< R >

callback with 0 parameters but with returnvalue.

Date

2002

Author

Bram de Greve [Bramz] (contact: bram@.nosp@m.coca.nosp@m.mware.nosp@m..com)

It's a single object that can hold a reference to a free function or an object/(const) method pair. Once the callback is constructed, it works completely transparent. All it shows to the client is a function that takes 0 parameter(s) and gives a returnvalue.

Definition at line 90 of file callback_r_0.h.

Member Function Documentation

operator()()

template<typename R>

R lass::util::CallbackR0< R >::operator() ( ) const

inline

THE operator.

Executes the callback.

Definition at line 157 of file callback_r_0.h.

References isEmpty().

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The documentation for this class was generated from the following file:

• callback_r_0.h